English
Detailed Synonyms for atomic number 90 in English
atomic number 90:
atomic number 90 [the ~] nom
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the atomic number 90
– a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands 1the Th; the atomic number 90; the thorium– a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands 1